<template>
    <div class="icons">
        <swiper :options="swiperOption" v-if="showIcon">
            <swiper-slide v-for="(page,index) of pages" :key="index">
                <div class="icon" v-for="item of page" :key="item.id">
                    <div class="icon-img">
                        <img class="icon-pic" :src="item.imgUrl" alt="">
                    </div>
                    <p class="icon-text">{{item.desc}}</p>
                </div>
            </swiper-slide>
        </swiper>
    </div>
</template>

<script>
export default{
    name:'HomeIcons',
    props:{
      iconList:Array
    },
    data (){
        return{
            swiperOption:{
               autoplay:false
            },
        }
    },
    computed:{
        pages (){
            const pages =[];
            this.iconList.forEach((item,index)=>{
                const page = Math.floor(index / 8 );
                if(!pages[page]){
                    pages[page] = []
                }
                pages[page].push(item)
            });
            return pages
        },
        showIcon (){
            return this.iconList.length
        }
    }
}
</script>

<style lang="stylus" scoped>
    @import "~styles/varibles.styl"
    @import "~styles/mixins.styl"
    .icons >>>.swiper-container
        height:0
        padding-bottom:50%
    .icon
        position:relative
        overflow:hidden
        float:left
        width:25%
        height: 0
        padding-bottom:25%
        text-align:center
        .icon-img
            position: absolute
            top:0
            left:0
            right: 0
            bottom: .44rem
            .icon-pic
                height: 100%
        .icon-text
            position: absolute
            left: 0
            right: 0
            bottom: 0
            color:$textColor
            height: .44rem
            line-height: .44rem
            ellipsis()
</style>